TY - JOUR T1 - Structural equation models that are nonlinear in latent variables: A least-squares estimator AU - Bollen, Kenneth A. PY - 1995 SP - 223 EP - 251 JO - Sociological Methodology VL - 25 SN - 0081-1750 UR - http://www.jstor.org/stable/271068 ER -